Review Ambari UI and the Quick Links

Ensure to review the Ambai UIs and quick links prior to the upgrade. This check is helpful to compare the user interface state post upgrade.

You must:

Review each page from Ambari and take a screenshot for future reference.
Review each quick link in Ambari and take a screenshot for future reference. For example, Solr UI, Ranger UI, and RM UI, etc.
Check all services are functional on Ambari side.